SEC CIK 1251713

CONCANNON CHRISTOPHER R

Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.

Current Positions

CompanyShares OwnedAs Of
MKTXview stock →53,6002026-04-03

Position History — MKTX

Reported shares owned immediately after each Form 4 transaction, over time.

018,56637,13355,6992026-022026-022026-022026-022026-04

Recent Filings — MKTX

DateActivitySharesPriceOwned After
2026-04-03Tax withholding349$171.4653,600
2026-02-15Grant / award (derivative)21,736$0.0021,736
2026-02-15Tax withholding1,750$179.3653,949
2026-02-15Grant / award6,588$0.0055,699
2026-02-15Tax withholding866$179.3649,111
2026-02-13Grant / award1,696$0.0049,977

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.